FR2143852A1 - Direct steel production from sponge iron -by multi-cyclone - reduction followed by melting - Google Patents

Direct steel production from sponge iron -by multi-cyclone - reduction followed by melting

Info

Publication number
FR2143852A1
FR2143852A1 FR7223451A FR7223451A FR2143852A1 FR 2143852 A1 FR2143852 A1 FR 2143852A1 FR 7223451 A FR7223451 A FR 7223451A FR 7223451 A FR7223451 A FR 7223451A FR 2143852 A1 FR2143852 A1 FR 2143852A1
Authority
FR
France
Prior art keywords
cyclone
melting
sponge iron
flue gas
steel production
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7223451A
Other languages
English (en)
Other versions
FR2143852B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Redox Desenvolvimento e Expioracao de Processos Siderurgicos Ltda
Original Assignee
Redox Desenvolvimento e Expioracao de Processos Siderurgicos Ltda
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Redox Desenvolvimento e Expioracao de Processos Siderurgicos Ltda filed Critical Redox Desenvolvimento e Expioracao de Processos Siderurgicos Ltda
Publication of FR2143852A1 publication Critical patent/FR2143852A1/fr
Application granted granted Critical
Publication of FR2143852B1 publication Critical patent/FR2143852B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0033—In fluidised bed furnaces or apparatus containing a dispersion of the material
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Furnace Details (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
FR7223451A 1971-06-29 1972-06-27 Direct steel production from sponge iron -by multi-cyclone - reduction followed by melting Granted FR2143852A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2132150A DE2132150B2 (de) 1971-06-29 1971-06-29 Verfahren zum direkten Herstellen von Stahl

Publications (2)

Publication Number Publication Date
FR2143852A1 true FR2143852A1 (en) 1973-02-09
FR2143852B1 FR2143852B1 (fr) 1976-01-16

Family

ID=5812054

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7223451A Granted FR2143852A1 (en) 1971-06-29 1972-06-27 Direct steel production from sponge iron -by multi-cyclone - reduction followed by melting

Country Status (8)

Country Link
JP (1) JPS5441981B1 (fr)
AU (1) AU463981B2 (fr)
BR (1) BR7204275D0 (fr)
CA (1) CA964863A (fr)
DE (1) DE2132150B2 (fr)
ES (2) ES404098A1 (fr)
FR (1) FR2143852A1 (fr)
IT (1) IT958641B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0196359A2 (fr) * 1984-09-12 1986-10-08 Kabushiki Kaisha Kobe Seiko Sho Procédé et dispositif pour la réduction directe de minerais de fer dans un lit fluidisé
WO2003068994A1 (fr) * 2002-02-14 2003-08-21 Voest-Alpine Industrieanlagenbau Gmbh & Co Procede et dispositif pour produire de la fonte et/ou des produits semi-finis en fonte

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2401909C3 (de) * 1974-01-16 1985-06-27 Fried. Krupp Gmbh, 4300 Essen Verfahren zur Herstellung von Stahl
LU71435A1 (fr) * 1974-12-06 1976-11-11
DE2729982B2 (de) * 1977-07-02 1980-01-03 Eisenwerk-Gesellschaft Maximilianshuette Mbh, 8458 Sulzbach-Rosenberg Verfahren zur Schrottsatzerhöhung bei der Stahlherstellung nach dem Sauerstoffdurchblasverfahren
DE2852964A1 (de) * 1978-12-07 1980-06-26 Krupp Polysius Ag Verfahren und anlage zur reduktion von erzen
EP0063924B2 (fr) * 1981-04-28 1990-03-14 Kawasaki Steel Corporation Procédé et appareil de fusion et d'affinage d'un minerai finement divisé contenant des oxydes métalliques
DE3729798A1 (de) * 1987-09-05 1989-03-16 Kloeckner Humboldt Deutz Ag Vorrichtung zur verhuettung von schmelzbaren stoffen, insbesondere von erzkonzentraten
DE3835332A1 (de) * 1988-10-17 1990-04-19 Ralph Weber Verfahren zur herstellung von stahl aus feinerz
ES2093641T3 (es) * 1988-12-20 1997-01-01 Cra Services Fabricacion de hierro y acero en un recipiente de fusion duplex y un pre-reductor de suspension de oxido al estado solido.
DE3905058C1 (en) * 1989-02-18 1990-07-12 Ferdinand Dipl.-Ing. Dr.Mont. 6374 Steinbach De Fink Apparatus and process for smelting pig iron and for producing useful gas from fine ore and coal screenings (small coal)
DE4216891A1 (de) * 1992-05-21 1993-11-25 Kortec Ag Zug Verfahren und Einrichtung zum Erhitzen und Schmelzen von stückigem Eisenschwamm
DE19634348A1 (de) 1996-08-23 1998-02-26 Arcmet Tech Gmbh Einschmelzaggregat mit einem Lichtbogenofen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0196359A2 (fr) * 1984-09-12 1986-10-08 Kabushiki Kaisha Kobe Seiko Sho Procédé et dispositif pour la réduction directe de minerais de fer dans un lit fluidisé
EP0196359A3 (en) * 1984-09-12 1986-11-12 Kabushiki Kaisha Kobe Seiko Sho Method and apparatus for fluidized bed reduction of iron ore
WO2003068994A1 (fr) * 2002-02-14 2003-08-21 Voest-Alpine Industrieanlagenbau Gmbh & Co Procede et dispositif pour produire de la fonte et/ou des produits semi-finis en fonte
US7425230B2 (en) 2002-02-14 2008-09-16 Voest Alpine Industrieanlagenbau Gmbh & Co. Method and device for producing pig iron and/or pig iron intermediate products
US7638088B2 (en) 2002-02-14 2009-12-29 Voest-Alpine Industrieanlagenbau Gmbh & Co Method and device for producing pig iron and/or pig iron intermediate products

Also Published As

Publication number Publication date
ES404098A1 (es) 1976-01-01
AU4393872A (en) 1974-02-14
IT958641B (it) 1973-10-30
AU463981B2 (en) 1975-08-14
FR2143852B1 (fr) 1976-01-16
ES431600A1 (es) 1976-10-16
JPS5441981B1 (fr) 1979-12-11
CA964863A (en) 1975-03-25
BR7204275D0 (pt) 1973-05-15
DE2132150B2 (de) 1980-07-24
DE2132150A1 (de) 1973-01-18

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Legal Events

Date Code Title Description
ST Notification of lapse